Home / 374,947.76-517,411.32-205,189.04

Finding the Fourth Proportional to 374,947.76, 517,411.32 and 205,189.04

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Solution

The fourth proportional to 374,947.76, 517,411.32 and 205,189.04 is: 283,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,947.76 : 517,411.32 = 205,189.04 : x
  2. Step 2: Convert to fraction form
    374,947.76/517,411.32 = 205,189.04/x
  3. Step 3: Cross multiply
    374,947.76x = 517,411.32 × 205,189.04
  4. Step 4: Simplify right side
    374,947.76x = 106,167,132,035.93
  5. Step 5: Solve for x
    x = 106,167,132,035.93/374,947.76
  6. Step 6: Final answer
    x = 283,151.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.